#ifndef CIRCLE_H
#define CIRCLE_H
void statistic(Student* s,int n);

void analyse(Student* s,int n);

Student* readfile(Student* s,int n);

void savefile(Student* s,int n);

void find_by_sno(Student* s,int n,int sno);

void find_by_gender(Student* s,int n,char* gender);

void find_by_depart(Student* s,int n,char* depart);

void find_by_age(Student* s,int n,int age);

void find_by_name(Student* s,int n,char* name);

void traversal(Student* s,int n);

void show2(Cas* s);

void show1(Student* s,int n);

void input1(Student* s);

void input2(Cas* s);

#endif
